Home / 5,447.49-8,160.92-3,219.65

Finding the Fourth Proportional to 5,447.49, 8,160.92 and 3,219.65

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Solution

The fourth proportional to 5,447.49, 8,160.92 and 3,219.65 is: 4,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.49 : 8,160.92 = 3,219.65 : x
  2. Step 2: Convert to fraction form
    5,447.49/8,160.92 = 3,219.65/x
  3. Step 3: Cross multiply
    5,447.49x = 8,160.92 × 3,219.65
  4. Step 4: Simplify right side
    5,447.49x = 26,275,291.85
  5. Step 5: Solve for x
    x = 26,275,291.85/5,447.49
  6. Step 6: Final answer
    x = 4,823.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.